Drawing type fan and range hood using same

Abstract

The utility model discloses a drawing type fan and a range hood applying the drawing type fan, the drawing type fan comprises a fan shell provided with a smoke inlet channel and a wind wheel assembly arranged in the fan shell, the wind wheel assembly is provided with a smoke inlet and a smoke outlet, the drawing type fan is characterized in that one side face of the fan shell is provided with a bracket hole, and the bracket hole is provided with a bracket. The bracket is arranged in the bracket hole in a sliding mode, and the wind wheel assembly is arranged in the bracket. The bracket is arranged at the bracket hole of the fan shell in a sliding mode, and the wind wheel assembly is arranged in the bracket, so that the whole wind wheel assembly can be pulled out of the fan shell in a sliding mode, and the wind wheel assembly can be quickly pulled out when cleaning is needed; after cleaning is completed, the bracket comprising the wind wheel assembly is plugged into the bracket hole together, and normal work of the fan is not affected. And the whole structure is simple, the manufacturing cost is low, a user can quickly disassemble and assemble without a special tool, and the cleaning is very convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen equipment, in particular to a pull-type fan and a range hood using the pull-type fan. Background Art

[0002] The range hood is an important kitchen appliance that plays an important role in the respiratory health of users. The range hood usually uses a fan to absorb and exhaust oil smoke, and uses a filter to filter out some of the grease in the oil smoke. It mainly includes a smoke hood that collects oil smoke and is provided with a filter, and a fan system arranged above the smoke hood. The fan system mainly includes a fan housing arranged above the smoke hood and a wind wheel assembly fixedly arranged on the fan housing, a wind wheel housing of the wind wheel assembly, a wind wheel, and a motor driving the wind wheel. The wind wheel housing is provided with a smoke inlet connected to the smoke hood and a smoke outlet for exhausting oil smoke.

[0003] After using for a period of time, oil stains will inevitably adhere to the range hood, which are mainly distributed on the filter of the smoke hood, the blades of the impeller, and the inner surface of the impeller housing. The accumulation of oil stains will reduce the performance of the range hood and affect the effect of oil fume extraction. At the same time, the long-term accumulation of oil stains will produce odor and breed bacteria, which will seriously affect the health of users. Therefore, the range hood needs to be cleaned regularly.

[0004] Conventionally, the filter can be removed for cleaning, but the fan system installed above the smoke hood is generally fixed above the smoke hood, and the internal wind wheel assembly is fixed in the fan housing. Special tools are required to remove the entire range hood from the integrated stove or the wall, and then disassemble the fan system for cleaning. Cleaning is very troublesome, time-consuming and labor-intensive.

[0005] In addition, there are some technical solutions for self-cleaning the fan system in the prior art, such as setting a corresponding injection mechanism in the fan system to clean the fan system by hot air, steam or hot water, etc. However, this structure is relatively complex, the manufacturing cost is high, and the cleaning effect is limited, and the oil stains in the fan system cannot be thoroughly cleaned. Utility Model Content

[0006] The technical problem to be solved by the utility model is to provide a pull-out fan which can quickly pull out the entire wind wheel assembly for thorough cleaning, aiming at the problem that the fan system of the range hood in the prior art is inconvenient to clean.

[0007] The technical solution to the technical problem of the utility model is: construct a pull-type fan, including a fan housing provided with a smoke inlet channel and a wind wheel assembly arranged in the fan housing, the wind wheel assembly is provided with a smoke inlet and a smoke outlet, a side surface of the fan housing is provided with a bracket hole, and also includes a bracket slidably arranged in the bracket hole, and the wind wheel assembly is arranged in the bracket.

[0008] Furthermore, the bracket includes a panel and a bracket shell, the panel matches the side of the fan shell on which the bracket hole is provided, the wind wheel assembly is arranged in the bracket shell, the bracket shell is provided with a smoke inlet hole connected to the smoke inlet channel of the fan shell, the smoke inlet hole of the bracket shell is connected to the smoke inlet port, and the fan shell is provided with a first slide rail slidingly matched with the bracket shell; the smoke inlet hole provided in the bracket shell can ensure that oil can be smoothly introduced from the smoke inlet channel of the original fan into the wind wheel assembly in the bracket, and the panel can cover the bracket hole to prevent oil smoke from escaping, and ensure the appearance of the entire fan.

[0009] Furthermore, a wind wheel mounting hole matching the wind wheel assembly is provided on one side of the bracket shell, and the bracket also includes a cover plate covering the wind wheel mounting hole; the wind wheel mounting hole facilitates the wind wheel assembly to be fixed in the bracket shell or removed from the bracket shell, and the cover plate can prevent oil smoke from escaping from the wind wheel mounting hole.

[0010] Furthermore, the bracket is provided with a pluggable power connector, which is electrically connected between the wind wheel assembly and an external power source, so as to prevent the power cord of the wind wheel assembly from interfering with the movement of the wind wheel assembly when the wind wheel assembly is installed and removed.

[0011] Furthermore, a positioning groove for positioning the wind wheel assembly in the bracket shell is provided in the bracket shell, so as to position the wind wheel assembly in the bracket shell and prevent the wind wheel assembly from being displaced during operation.

[0012] Furthermore, a second slide rail is provided in the bracket shell to guide the wind wheel assembly from the wind wheel mounting hole into the positioning groove, so that the wind wheel assembly can be pulled out of the bracket shell more smoothly.

[0013] Furthermore, the wind wheel assembly also includes a smoke exhaust connector connected to the outside, and the bracket shell is provided with a smoke exhaust port matching the smoke exhaust connector so that the smoke exhaust connector can be connected to an external smoke exhaust pipe.

[0014] Furthermore, an end face seal is provided between the panel and the bracket hole of the fan housing to improve the sealing between the panel and the bracket hole and prevent oil smoke from overflowing from the fan housing.

[0015] Furthermore, the panel is provided with an inspection hole and also includes an inspection hole cover plate covering and sealing the inspection hole, so that the power cord of the wind wheel assembly can be disconnected through the inspection hole before pulling out the wind wheel assembly, and the smoke exhaust pipe at the smoke outlet of the wind wheel assembly can be disassembled.

[0016] Another technical problem to be solved by the utility model is to provide a range hood in view of the problem that the fan system of the range hood in the prior art is inconvenient to clean.

[0017] The technical solution of the utility model to the technical problem is: construct a range hood, which is applied with the above-mentioned pull-type fan.

[0018] The implementation of the pull-out fan and the range hood using the pull-out fan of the utility model has the following beneficial effects: by sliding the bracket at the bracket hole of the fan housing, the wind wheel assembly is arranged in the bracket, so that the entire wind wheel assembly can be slid out of the fan housing, so that the wind wheel assembly can be quickly pulled out when cleaning is required; after cleaning, the bracket including the wind wheel assembly is inserted into the bracket hole together, which does not affect the normal operation of the fan. The whole structure is simple, the manufacturing cost is low, the user can quickly disassemble and assemble without special tools, and it is very convenient to clean.

[0019] Furthermore, by setting up a bracket including a panel and a bracket shell, the panel can effectively block the bracket hole to prevent the oil smoke from escaping from the bracket hole when the fan is working, while ensuring the beautiful appearance of the entire fan; the bracket shell can wrap the wind wheel assembly inside it, and can ensure that the oil smoke is completely introduced into the wind wheel assembly and driven by the wind wheel to be discharged outdoors through the smoke outlet. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The figure is a stereogram of a preferred embodiment of the pull-type fan of the utility model;

[0021] Figure 2 The figure shows an exploded view of a preferred embodiment of the pull-type fan of the utility model;

[0022] Figure 3 The figure shows a schematic cross-sectional structure diagram of a preferred embodiment of the pull-type fan of the utility model;

[0023] Figure 4a The figure is a three-dimensional diagram of the fan housing in the preferred embodiment of the pull-out fan of the utility model;

[0024] Figure 4b Another stereoscopic view of the fan housing in the preferred embodiment of the pull-out fan of the utility model is shown;

[0025] Figure 5The figure is a three-dimensional view of a bracket without a cover plate in a preferred embodiment of the pull-out type fan of the utility model;

[0026] Figure 5a The figure shows a schematic cross-sectional structure diagram of a bracket in a preferred embodiment of the pull-type fan of the utility model;

[0027] Figure 6 The figure shows a schematic cross-sectional structure diagram of another embodiment of the pull-type fan of the utility model;

[0028] Figure 6a The figure shows a schematic cross-sectional structure diagram of another embodiment of the pull-out type fan of the utility model without a cover plate bracket;

[0029] Figure 7 The figure shows a stereoscopic view of the wind wheel assembly in a preferred embodiment of the pull-type fan described in the utility model. DETAILED DESCRIPTION

[0030] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0031] It should also be noted that the directions or positional relationships indicated by terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0032] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0033] like Figure 1 , 2, 3, 4a, 4b, 5, 5a, 7, in a preferred embodiment of the pull-type fan of the utility model, it includes a fan housing 10, a wind wheel assembly 20 and a bracket 30. Among them, the fan housing 10 is provided with a smoke inlet channel 11, and the smoke inlet channel 11 is connected to the smoke collecting hood of the range hood. Specifically, the fan housing 10 can be set to a rectangular parallelepiped shape, the smoke inlet channel 11 is set at the bottom or one side of the fan housing 10, and the top of the fan housing 10 is set to be open, so that the wind wheel assembly 20 connects the oil smoke to the outdoors through the smoke exhaust pipe (not shown in the figure) set at the top of the fan housing 10. In this preferred embodiment, the smoke inlet channel 11 is set on the first side 10a of the fan housing, and the second side 10b of the fan housing is provided with a bracket hole 12. The bracket 30 is slidably set in the bracket hole 12, and the wind wheel assembly 20 is set in the bracket 30. The wind wheel assembly 20 is provided with a smoke inlet 21 and a smoke outlet 22, wherein the smoke inlet 21 is communicated with the smoke inlet channel 11 of the fan housing, and the smoke outlet 22 is communicated with the smoke exhaust pipe.

[0034] like Figure 1 , 2 , 3, 4a, 4b, 5, 5a, 7, in this preferred embodiment, the bracket 30 includes a panel 31 and a bracket housing 32. The panel 31 matches the second side surface 10b of the fan housing, that is, the panel 31 can just cover the second side surface 10b of the fan housing and block the bracket hole 12 of the fan housing. Specifically, it is preferred to set an end face seal 33 between the panel 31 and the fan housing 10, and the end face seal 33 can be a sealing ring 33a embedded around the bracket hole 12 of the fan housing or at the position around the bracket hole on the panel 31 corresponding to the bracket hole. In order to fix the panel 31 on the side of the fan housing 10, it is preferred to set a guide column 15 and a guide hole 31a that cooperate with each other between the panel 31 and the fan housing 10, and set a locking nut 34 at the end of the guide column 15. When the bracket 30 needs to be pulled out, the locking nut 34 is first removed, and then the panel 31 is pulled out from the second side 10b of the fan housing, which can drive the entire bracket 30 to be pulled out from the bracket hole 12 of the fan housing.

[0035] In this preferred embodiment, the wind wheel assembly 20 is covered by the bracket housing 32, and preferably a smoke inlet 32a is set on the bracket housing 32, and the smoke inlet 32a is connected to the smoke inlet channel 11 of the fan housing, and is also connected to the smoke inlet 21 of the wind wheel assembly, so that the oil smoke introduced from the smoke hood through the smoke inlet channel 11 can smoothly enter the smoke inlet 21 of the wind wheel assembly. Specifically, the smoke inlet 32a can be set on the side of the bracket housing 32 corresponding to the smoke inlet channel 11, and the size of the smoke inlet 32a matches the smoke inlet channel 11. In this preferred embodiment, the wind wheel assembly 20 is vertically arranged in the bracket housing 32, and the smoke inlet 21 of the wind wheel assembly is located on the side of the wind wheel assembly; preferably, the smoke inlet channel 11 of the fan housing is set on the left side of the fan housing (relative to the bracket hole 12 on the front side of the fan housing 10), and the smoke inlet 32a is correspondingly set on the left side of the bracket housing 32 (relative to the panel 31 on the front side of the bracket 30). As needed, the smoke inlet channel 11 can be set on the bottom side of the fan housing 10, and the smoke inlet hole 32a can be correspondingly set on the bottom side of the bracket housing 32. At this time, it is necessary to ensure that the smoke inlet hole 32a is staggered with the bottom of the wind wheel assembly in the bracket housing 32.

[0036] In the preferred embodiment, a first slide rail 13 that slidably cooperates with the bracket housing 32 is preferably provided in the fan housing 10, so that the bracket housing 32 can smoothly slide into the bracket hole 12 along the first slide rail 13 and be positioned in the fan housing 10. In the preferred embodiment, the bracket hole 12 is provided on a side surface of the fan housing, and the first slide rail 13 is correspondingly provided to be horizontal. Specifically, the first slide rail 13 can be provided to match the outer contour of the bracket housing 32, at least two first slide rails 13 can be provided, and the first slide rail 13 is made to cooperate with the horizontal edge line 32b of the corresponding bracket housing, so as to limit the displacement of the bracket housing 32 in the up and down and left and right directions, and can only slide forward and backward along the first slide rail 13. Figure 6 As shown, a first slide groove 34 may be provided in the middle of the bracket housing 32 as required, and the first slide rail 13 cooperates with the first slide groove 34 to limit the displacement of the bracket housing 32 in the up-down and left-right directions.

[0037] In order to facilitate the extraction of the wind wheel assembly 20 from the bracket shell 32, a wind wheel mounting hole 14 is preferably provided on one side of the bracket shell 32, and the bracket 30 is further provided with a cover plate 35 covering the wind wheel mounting hole 14. The shape and size of the wind wheel mounting hole 14 are preferably matched with the outer contour of the wind wheel assembly 20 so that the wind wheel assembly 20 can be removed from the bracket shell 32. The cover plate 35 can be fixed to the bracket shell 32 by a detachable fastener, or the cover plate 35 can be fixed to the bracket shell 32 by a detachable fastening structure. Specifically, in this preferred embodiment, the wind wheel assembly 20 is preferably extracted from the top side of the bracket shell 32, and therefore, the top side of the bracket shell 32 is preferably opened, and the cover plate 35 matches the opening so that the cover plate 35 can just cover the opening. Figure 6a As shown, a wind wheel mounting hole 14 matching the outer contour of the wind wheel assembly 20 may also be opened on the top of the bracket shell 32 as needed.

[0038] In this preferred embodiment, in order to prevent the wind wheel assembly 20 from being displaced during operation, a positioning groove 36 matching the wind wheel assembly 20 is preferably provided in the bracket housing 32, so as to position the wind wheel assembly 20 in the bracket housing 32. Specifically, a positioning rod 36a matching the outer contour of the wind wheel assembly 20 may be provided in the bracket housing 32. When the wind wheel assembly 20 is inserted from the wind wheel mounting hole 14, the wind wheel assembly 20 is just clamped by the positioning rod 36a and positioned at a preset position in the bracket housing 32.

[0039] In order to facilitate the smooth pulling and drawing of the wind wheel assembly 20 in the bracket housing 32, a second slide rail 37 matching with the wind wheel assembly 20 may be provided in the bracket housing 32, and the second slide rail 37 guides the wind wheel assembly 20 from the wind wheel mounting hole 14 to the positioning groove 36. In this preferred embodiment, the wind wheel assembly 20 is pulled vertically relative to the bracket housing 32, and the second slide rail 37 is correspondingly set to be vertical. Specifically, the second slide rail 37 may be set to match the outer contour of the wind wheel assembly 20, and at least two second slide rails 37 may be provided, and the second slide rail 37 may be matched with the vertical edge line 24 of the corresponding wind wheel assembly, so as to limit the displacement of the wind wheel assembly 20 in the bracket housing 32 along the left-right and front-back directions, and the wind wheel assembly 20 can only slide up and down along the second slide rail 37.

[0040] In this preferred embodiment, a power connector 38 is preferably provided on the bracket 30, and the power connector 38 is electrically connected between the wind wheel assembly 20 and the external power supply. Specifically, the power connector 38 can be fixedly provided on the cover plate 35 of the bracket, wherein one end of the power connector 38 is electrically connected to the power cord (not shown in the figure) of the wind wheel assembly, and the other end is electrically connected to the plug cord (not shown in the figure), and the other end of the plug cord can be inserted into the socket of the external power supply. It is preferred to provide a pluggable electrical connection between the plug cord and the power connector 38. When it is necessary to pull out the bracket 30, the plug cord is pulled out from the power connector 38, and then the bracket 30 is pulled out. At this time, the power connector 38 is pulled out together with the bracket 30 to avoid the power cord of the wind wheel assembly interfering with the movement of the bracket 30. It is preferred that the power cord of the wind wheel assembly 20 is electrically connected to the power connector 38 in a pluggable manner. When the wind wheel assembly 20 needs to be pulled out from the bracket 30, the power cord of the wind wheel assembly 20 is pulled out from the power connector 38, and then the wind wheel assembly 20 is pulled out from the bracket 30. At this time, the power connector 38 is still left on the cover plate 35 to prevent the power connector 38 from restricting the power cord from moving with the wind wheel assembly 20. The power connector 38 can also be fixed on the bracket housing 32 or the inner side of the panel 31 as needed.

[0041] In this preferred embodiment, the wind wheel assembly 20 further includes a smoke exhaust joint 23 disposed at the smoke outlet 22, and a smoke exhaust port 39 matching the smoke exhaust joint 23 is correspondingly provided on the bracket housing 32. The smoke exhaust joint 23 is connected to an external smoke exhaust pipe so that the oil smoke exhausted from the wind wheel assembly 20 at the smoke outlet 22 is discharged to the outside through the smoke exhaust pipe. Specifically, the smoke exhaust port 39 can be provided at a corresponding position of the cover plate 35.

[0042] In this preferred embodiment, a maintenance hole 31b is also provided on the panel 31, so that the power line of the wind wheel assembly can be disconnected through the maintenance hole 31b before the wind wheel assembly 20 is pulled out, and the smoke exhaust pipe at the smoke exhaust joint 23 of the wind wheel assembly 20 can be disassembled. The bracket 30 also includes a maintenance hole cover plate 31c covering and sealing the maintenance hole 31b, and a sealing member 31d can be provided between the maintenance hole 31b and the maintenance hole cover plate 31c, so that the maintenance hole cover plate 31c is embedded in the maintenance hole 31b, ensuring that the panel 31 of the bracket is flat and beautiful as a whole.

[0043] When implementing the preferred embodiment of the pull-out fan described in the utility model, first remove the inspection hole cover 31c, unplug the plug wire from the power connector 38 through the inspection hole 31b, and disconnect the smoke exhaust pipe from the smoke exhaust joint 23; then remove the locking nut 34 and pull out the bracket 30. At this time, the bracket shell 32 slides along the first slide rail 13, and the panel 31 leaves the bracket hole 12 of the fan shell; when the wind wheel assembly 20 located in the bracket is completely exposed, unplug the power cord of the wind wheel assembly from the power connector 38, then remove the cover 35 and open the wind wheel mounting hole 14; then take the wind wheel assembly 20 out of the positioning groove 36, and the entire wind wheel assembly 20 and the bracket 30 can be cleaned in all directions. When cleaning is completed, insert the wind wheel assembly 20 from the wind wheel mounting hole 14 along the second slide rail 37 into the positioning groove 36 of the bracket shell. At this time, ensure that the installation direction is correct and ensure that the smoke inlet 21 of the wind wheel assembly is connected with the smoke inlet hole 32a of the bracket shell; cover and fix the cover plate 35 on the wind wheel mounting hole 14 to ensure that oil smoke will not escape from the installation gap, and insert the power cord of the wind wheel assembly into the power connector 38; then insert the entire bracket 30 into the fan shell 10 from the bracket hole 12 of the fan shell until the guide column 15 is inserted into the guide hole 31a, and then lock it at the end of the guide column 15 with the locking nut 34. At this time, the panel 31 is pressed against the side of the fan shell, and the end face seal is compressed to prevent oil smoke from escaping; at the same time, the smoke inlet hole 32a opened on the bracket shell 32 is just aligned with the smoke inlet channel 11 of the fan shell.

[0044] In the above embodiment, the power connector 38 may also be fixed on the fan housing 10 . In this case, the power cord of the wind wheel assembly needs to be unplugged from the power connector 38 before dragging the bracket 30 .

[0045] In the above embodiment, the wind wheel mounting hole 14 can also be opened on the bottom side of the bracket shell 32, and correspondingly, the cover plate 35 is fixedly installed on the bottom side of the bracket shell 32. At the same time, the smoke exhaust port 39 is still arranged on the top side of the bracket shell 32 to match the smoke exhaust joint 23 of the wind wheel assembly.

[0046] In the above embodiment, the wind wheel mounting hole 14 can also be opened on the left side or right side of the bracket shell 32, and correspondingly, the cover plate 35 is fixedly installed on the left side or right side of the bracket shell 32, and the smoke exhaust port 39 is still arranged on the top side of the bracket shell 32; correspondingly, the second slide rail 37 is set to be horizontal, and the second slide rail 37 cooperates with the horizontal edge line 25 of the corresponding wind wheel assembly to limit the displacement of the wind wheel assembly 20 in the bracket shell 32 along the front and rear and up and down directions, and can only slide left and right along the second slide rail 37.

[0047] In a preferred embodiment of the range hood of the utility model, the pull-type fan described in the above embodiment is applied.

[0048] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work, any modifications, equivalent substitutions, improvements, etc. made should be included in the protection scope of the present invention.

Claims

1. A pull-type fan, comprising a fan housing provided with a smoke inlet channel and a wind wheel assembly arranged in the fan housing, wherein the wind wheel assembly is provided with a smoke inlet and a smoke outlet, characterized in that: A bracket hole is provided on one side of the fan housing, and the fan housing also includes a bracket slidably arranged in the bracket hole, and the wind wheel assembly is arranged in the bracket.

2. The pull-type fan according to claim 1, characterized in that: The bracket includes a panel and a bracket shell, the panel matches the side of the fan shell on which the bracket hole is provided, the wind wheel assembly is arranged in the bracket shell, the bracket shell is provided with a smoke inlet hole connected to the smoke inlet channel of the fan shell, the smoke inlet hole of the bracket shell is connected to the smoke inlet port, and a first slide rail slidingly matched with the bracket shell is provided in the fan shell.

3. The pull-type fan according to claim 2, characterized in that: A wind wheel mounting hole matching the wind wheel assembly is provided on one side of the bracket shell, and the bracket also includes a cover plate covering the wind wheel mounting hole.

4. The pull-type fan according to claim 3, characterized in that: The bracket is provided with a pluggable power connector, and the power connector is electrically connected between the wind wheel assembly and an external power source.

5. The pull-type fan according to claim 3, characterized in that: The bracket shell is provided with a positioning groove for positioning the wind wheel assembly in the bracket shell.

6. The pull-type fan according to claim 5, characterized in that: A second slide rail for guiding the wind wheel assembly from the wind wheel mounting hole into the positioning groove is arranged in the bracket shell.

7. The pull-type fan according to claim 2, characterized in that: The wind wheel assembly also includes a smoke exhaust joint connected to the outside, and the bracket shell is provided with a smoke exhaust port matching the smoke exhaust joint.

8. The pull-type fan according to claim 2, characterized in that: An end face seal is provided between the panel and the bracket hole of the fan housing.

9. The pull-type fan according to claim 2, characterized in that: The panel is provided with an inspection hole and also includes an inspection hole cover plate which covers and seals the inspection hole.

10. A range hood, characterized in that: The invention relates to a pull-type fan as claimed in any one of claims 1 to 9.

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